Fix fatal error in eval.php
[lhc/web/wiklou.git] / includes / ProtectionForm.php
index 2d9d31b..950a463 100644 (file)
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  * http://www.gnu.org/copyleft/gpl.html
- *
- * @addtogroup SpecialPage
  */
 
+/**
+ * @todo document, briefly.
+ * @addtogroup SpecialPage
+ */
 class ProtectionForm {
        var $mRestrictions = array();
        var $mReason = '';
        var $mCascade = false;
        var $mExpiry = null;
+       var $mPermErrors = array();
+       var $mApplicableTypes = array();
 
        function __construct( &$article ) {
                global $wgRequest, $wgUser;
                global $wgRestrictionTypes, $wgRestrictionLevels;
                $this->mArticle =& $article;
                $this->mTitle =& $article->mTitle;
+               $this->mApplicableTypes = $this->mTitle->exists() ? $wgRestrictionTypes : array('create');
 
                if( $this->mTitle ) {
                        $this->mTitle->loadRestrictions();
 
-                       foreach( $wgRestrictionTypes as $action ) {
+                       foreach( $this->mApplicableTypes as $action ) {
                                // Fixme: this form currently requires individual selections,
                                // but the db allows multiples separated by commas.
                                $this->mRestrictions[$action] = implode( '', $this->mTitle->getRestrictions( $action ) );
@@ -54,7 +59,7 @@ class ProtectionForm {
                }
 
                // The form will be available in read-only to show levels.
-               $this->disabled = !$wgUser->isAllowed( 'protect' ) || wfReadOnly() || $wgUser->isBlocked();
+               $this->disabled = wfReadOnly() || ($this->mPermErrors = $this->mTitle->getUserPermissionsErrors('protect',$wgUser)) != array();
                $this->disabledAttrib = $this->disabled
                        ? array( 'disabled' => 'disabled' )
                        : array();
@@ -64,7 +69,7 @@ class ProtectionForm {
                        $this->mCascade = $wgRequest->getBool( 'mwProtect-cascade' );
                        $this->mExpiry = $wgRequest->getText( 'mwProtect-expiry' );
 
-                       foreach( $wgRestrictionTypes as $action ) {
+                       foreach( $this->mApplicableTypes as $action ) {
                                $val = $wgRequest->getVal( "mwProtect-level-$action" );
                                if( isset( $val ) && in_array( $val, $wgRestrictionLevels ) ) {
                                        $this->mRestrictions[$action] = $val;
@@ -74,11 +79,12 @@ class ProtectionForm {
        }
        
        function execute() {
-               global $wgRequest;
+               global $wgRequest, $wgOut;
                if( $wgRequest->wasPosted() ) {
                        if( $this->save() ) {
-                               global $wgOut;
-                               $wgOut->redirect( $this->mTitle->getFullUrl() );
+                               $article = new Article( $this->mTitle );
+                               $q = $article->isRedirect() ? 'redirect=no' : '';
+                               $wgOut->redirect( $this->mTitle->getFullUrl( $q ) );
                        }
                } else {
                        $this->show();
@@ -86,18 +92,17 @@ class ProtectionForm {
        }
 
        function show( $err = null ) {
-               global $wgOut;
+               global $wgOut, $wgUser;
 
                $wgOut->setRobotpolicy( 'noindex,nofollow' );
 
                if( is_null( $this->mTitle ) ||
-                       !$this->mTitle->exists() ||
                        $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
                        $wgOut->showFatalError( wfMsg( 'badarticleerror' ) );
                        return;
                }
 
-               $cascadeSources = $this->mTitle->getCascadeProtectionSources();
+               list( $cascadeSources, /* $restrictions */ ) = $this->mTitle->getCascadeProtectionSources();
 
                if ( "" != $err ) {
                        $wgOut->setSubtitle( wfMsgHtml( 'formerror' ) );
@@ -111,7 +116,7 @@ class ProtectionForm {
                                $titles .= '* [[:' . $title->getPrefixedText() . "]]\n";
                        }
 
-                       $notice = wfMsg( 'protect-cascadeon' ) . "\r\n$titles";
+                       $notice = wfMsgExt( 'protect-cascadeon', array('parsemag'), count($cascadeSources) ) . "\r\n$titles";
 
                        $wgOut->addWikiText( $notice );
                }
@@ -119,9 +124,20 @@ class ProtectionForm {
                $wgOut->setPageTitle( wfMsg( 'confirmprotect' ) );
                $wgOut->setSubtitle( wfMsg( 'protectsub', $this->mTitle->getPrefixedText() ) );
 
-               $wgOut->addWikiText(
-                       wfMsg( $this->disabled ? "protect-viewtext" : "protect-text",
-                               wfEscapeWikiText( $this->mTitle->getPrefixedText() ) ) );
+               # Show an appropriate message if the user isn't allowed or able to change
+               # the protection settings at this time
+               if( $this->disabled ) {
+                       if( wfReadOnly() ) {
+                               $wgOut->readOnlyPage();
+                               $message = '';
+                       }
+                       if( $this->mPermErrors ) {
+                               $message = $wgOut->formatPermissionsErrorMessage( $this->mPermErrors );
+                       }
+               } else {
+                       $message = wfMsg( 'protect-text', wfEscapeWikiText( $this->mTitle->getPrefixedText() ) );
+               }
+               $wgOut->addWikiText( $message );
 
                $wgOut->addHTML( $this->buildForm() );
 
@@ -158,12 +174,40 @@ class ProtectionForm {
                        }
 
                        $expiry = wfTimestamp( TS_MW, $expiry );
+
+                       if ( $expiry < wfTimestampNow() ) {
+                               $this->show( wfMsg( 'protect_expiry_old' ) );
+                               return false;
+                       }
+
+               }
+
+               # They shouldn't be able to do this anyway, but just to make sure, ensure that cascading restrictions aren't being applied
+               #  to a semi-protected page.
+               global $wgGroupPermissions;
+
+               $edit_restriction = $this->mRestrictions['edit'];
+
+               if ($this->mCascade && ($edit_restriction != 'protect') && 
+                       !(isset($wgGroupPermissions[$edit_restriction]['protect']) && $wgGroupPermissions[$edit_restriction]['protect'] ) )
+                       $this->mCascade = false;
+
+               if ($this->mTitle->exists()) {
+                       $ok = $this->mArticle->updateRestrictions( $this->mRestrictions, $this->mReason, $this->mCascade, $expiry );
+               } else {
+                       $ok = $this->mTitle->updateTitleProtection( $this->mRestrictions['create'], $this->mReason, $expiry );
                }
 
-               $ok = $this->mArticle->updateRestrictions( $this->mRestrictions, $this->mReason, $this->mCascade, $expiry );
                if( !$ok ) {
                        throw new FatalError( "Unknown error at restriction save time." );
                }
+               
+               if( $wgRequest->getCheck( 'mwProtectWatch' ) ) {
+                       $this->mArticle->doWatch();
+               } elseif( $this->mTitle->userIsWatching() ) {
+                       $this->mArticle->doUnwatch();
+               }
+               
                return $ok;
        }
 
@@ -176,6 +220,7 @@ class ProtectionForm {
                        // The submission needs to reenable the move permission selector
                        // if it's in locked mode, or some browsers won't submit the data.
                        $out .= wfOpenElement( 'form', array(
+                               'id' => 'mw-Protect-Form',
                                'action' => $this->mTitle->getLocalUrl( 'action=protect' ),
                                'method' => 'post',
                                'onsubmit' => 'protectEnable(true)' ) );
@@ -189,6 +234,7 @@ class ProtectionForm {
                $out .= "<table id='mwProtectSet'>";
                $out .= "<tbody>";
                $out .= "<tr>\n";
+
                foreach( $this->mRestrictions as $action => $required ) {
                        /* Not all languages have V_x <-> N_x relation */
                        $out .= "<th>" . wfMsgHtml( 'restriction-' . $action ) . "</th>\n";
@@ -211,14 +257,14 @@ class ProtectionForm {
                $out .= "<tbody>\n";
 
                global $wgEnableCascadingProtection;
-
-               if ($wgEnableCascadingProtection)
-                       $out .= $this->buildCascadeInput();
+               if( $wgEnableCascadingProtection && $this->mTitle->exists() )
+                       $out .= '<tr><td></td><td>' . $this->buildCascadeInput() . "</td></tr>\n";
 
                $out .= $this->buildExpiryInput();
 
                if( !$this->disabled ) {
                        $out .= "<tr><td>" . $this->buildReasonInput() . "</td></tr>\n";
+                       $out .= "<tr><td></td><td>" . $this->buildWatchInput() . "</td></tr>\n";
                        $out .= "<tr><td></td><td>" . $this->buildSubmit() . "</td></tr>\n";
                }
 
@@ -245,22 +291,28 @@ class ProtectionForm {
 
                $out = wfOpenElement( 'select', $attribs );
                foreach( $wgRestrictionLevels as $key ) {
-                       $out .= $this->buildOption( $key, $selected );
+                       $out .= Xml::option( $this->getOptionLabel( $key ), $key, $key == $selected );
                }
                $out .= "</select>\n";
                return $out;
        }
 
-       function buildOption( $key, $selected ) {
-               $text = ( $key == '' )
-                       ? wfMsg( 'protect-default' )
-                       : wfMsg( "protect-level-$key" );
-               $selectedAttrib = ($selected == $key)
-                       ? array( 'selected' => 'selected' )
-                       : array();
-               return wfElement( 'option',
-                       array( 'value' => $key ) + $selectedAttrib,
-                       $text );
+       /**
+        * Prepare the label for a protection selector option
+        *
+        * @param string $permission Permission required
+        * @return string
+        */
+       private function getOptionLabel( $permission ) {
+               if( $permission == '' ) {
+                       return wfMsg( 'protect-default' );
+               } else {
+                       $key = "protect-level-{$permission}";
+                       $msg = wfMsg( $key );
+                       if( wfEmptyMsg( $key, $msg ) )
+                               $msg = wfMsg( 'protect-fallback', $permission );
+                       return $msg;
+               }
        }
 
        function buildReasonInput() {
@@ -272,38 +324,39 @@ class ProtectionForm {
                        '</td><td>' .
                        wfElement( 'input', array(
                                'size' => 60,
+                               'maxlength' => 255,
                                'name' => $id,
-                               'id' => $id ) );
+                               'id' => $id,
+                               'value' => $this->mReason ) );
        }
 
        function buildCascadeInput() {
                $id = 'mwProtect-cascade';
-               $ci = "<tr>" . wfCheckLabel( wfMsg( 'protect-cascade' ), $id, $id, $this->mCascade, $this->disabledAttrib) . "</tr>";
-
+               $ci = wfCheckLabel( wfMsg( 'protect-cascade' ), $id, $id, $this->mCascade, $this->disabledAttrib);
                return $ci;
        }
 
        function buildExpiryInput() {
-               $id = 'mwProtect-expiry';
-
-               $ci = "<tr> <td align=\"right\">";
-               $ci .= wfElement( 'label', array (
-                               'id' => "$id-label",
-                               'for' => $id ),
-                               wfMsg( 'protectexpiry' ) );
-               $ci .= "</td> <td aligh=\"left\">";
-               $ci .= wfElement( 'input', array(
-                               'size' => 60,
-                               'name' => $id,
-                               'id' => $id,
-                               'value' => $this->mExpiry ) );
-               $ci .= "</td></tr>";
-
-               return $ci;
+               $attribs = array( 'id' => 'expires' ) + $this->disabledAttrib;
+               return '<tr>'
+                       . '<td><label for="expires">' . wfMsgExt( 'protectexpiry', array( 'parseinline' ) ) . '</label></td>'
+                       . '<td>' . Xml::input( 'mwProtect-expiry', 60, $this->mExpiry, $attribs ) . '</td>'
+                       . '</tr>';
+       }
+       
+       function buildWatchInput() {
+               global $wgUser;
+               return Xml::checkLabel(
+                       wfMsg( 'watchthis' ),
+                       'mwProtectWatch',
+                       'mwProtectWatch',
+                       $this->mTitle->userIsWatching() || $wgUser->getOption( 'watchdefault' )
+               );
        }
 
        function buildSubmit() {
                return wfElement( 'input', array(
+                       'id' => 'mw-Protect-submit',
                        'type' => 'submit',
                        'value' => wfMsg( 'confirm' ) ) );
        }
@@ -316,8 +369,17 @@ class ProtectionForm {
        }
 
        function buildCleanupScript() {
-               return '<script type="text/javascript">protectInitialize("mwProtectSet","' .
-                       wfEscapeJsString( wfMsg( 'protect-unchain' ) ) . '")</script>';
+               global $wgRestrictionLevels, $wgGroupPermissions;
+               $script = 'var wgCascadeableLevels=';
+               $CascadeableLevels = array();
+               foreach( $wgRestrictionLevels as $key ) {
+                       if ( (isset($wgGroupPermissions[$key]['protect']) && $wgGroupPermissions[$key]['protect']) || $key == 'protect' ) {
+                               $CascadeableLevels[]="'" . wfEscapeJsString($key) . "'";
+                       }
+               }
+               $script .= "[" . implode(',',$CascadeableLevels) . "];\n";
+               $script .= 'protectInitialize("mwProtectSet","' . wfEscapeJsString( wfMsg( 'protect-unchain' ) ) . '","' . count($this->mApplicableTypes) . '")';
+               return '<script type="text/javascript">' . $script . '</script>';
        }
 
        /**
@@ -325,7 +387,7 @@ class ProtectionForm {
         * @access private
         */
        function showLogExtract( &$out ) {
-               # Show relevant lines from the deletion log:
+               # Show relevant lines from the protection log:
                $out->addHTML( "<h2>" . htmlspecialchars( LogPage::logName( 'protect' ) ) . "</h2>\n" );
                $logViewer = new LogViewer(
                        new LogReader(
@@ -334,6 +396,5 @@ class ProtectionForm {
                                               'type' => 'protect' ) ) ) );
                $logViewer->showList( $out );
        }
-}
 
-?>
+}